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| author | Martin Matuska <martin@matuska.de> | 2022-12-08 16:06:39 +0100 |
|---|---|---|
| committer | Martin Matuska <martin@matuska.de> | 2022-12-08 16:07:07 +0100 |
| commit | b86647a85df3b155620376d4eb74dc457b1bbf16 (patch) | |
| tree | 5d24f705b0b51dcd22ca76213eb4070856e90ff4 | |
| parent | 92d2835fed1e9be1e6fd49949bdef917df577274 (diff) | |
| download | libarchive-b86647a85df3b155620376d4eb74dc457b1bbf16.tar.gz | |
mtree reader: check __archive_rb_tree_find_node() for NULL return
Reported by: GitHub CodeQL
Code Scanning Alert: 190
| -rw-r--r-- | libarchive/archive_read_support_format_mtree.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libarchive/archive_read_support_format_mtree.c b/libarchive/archive_read_support_format_mtree.c index 22759ab5..2bc3ba06 100644 --- a/libarchive/archive_read_support_format_mtree.c +++ b/libarchive/archive_read_support_format_mtree.c @@ -994,9 +994,11 @@ process_add_entry(struct archive_read *a, struct mtree *mtree, struct mtree_entry *alt; alt = (struct mtree_entry *)__archive_rb_tree_find_node( &mtree->rbtree, entry->name); - while (alt->next_dup) - alt = alt->next_dup; - alt->next_dup = entry; + if (alt != NULL) { + while (alt->next_dup) + alt = alt->next_dup; + alt->next_dup = entry; + } } } |